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A. W. STEVENS.

GRINDING MILL. No. 354,445. Patented Dec. 14, 1886.

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* UNITED STATES PATENT OFFICE.

AEEAM w. sTEvENs, oE AUBURN, NEW Yonk.

GRINDING-MILL.

SPECIFICA'IV'ON forming part of Letters Patent No. 354,445, datedDecember 14,1886.

Application tiled Julie 30,1886.

Serial No. 206,673. (No model.)

To @ZZ whom, it may concern,.-

K Be it known that I, AEEAM NV. STEvENs, a citizen of the United States,residing at Auburn, in thc county of Cayuga, State of New York,haveinvented certain new and useful Improvements in Grindingdllillsofwhich the following is aspecificzition, reference being had therein tothe accompanying drawings.

My invention, relates to improvements in mills for grinding corn andother grain; and the objects of my improvements are, iirst, to providepeculiar means for connecting with a horizontal-disk mill aeone-andshell mill; second, to particularly control the connectionbetween said mills at their lower ends, third, to pivotally support thecone-and-shell mill upon the frame ofthe disk mill and retain its lowerend between parallel guides secured to the frame of the disk mill. Iaccomplish these objects by the construction illustrated inl theaccompanying drawings, in which- Figure l represents in perspective ahorizontal-disk mill and a conical cob and corn crusher connected inaccordance with my in vention. ering and retaining plates of the cornand cob crusher and its operating-gears and connectinglink. Fig. 3 isaperspective view ofthe gear' covering and retaining plates,connecting-link, and hand-lever. Fig. 4 is a vertical section of theplates and means for uniting the lower end of the cone-and-shell millwith the disk mill.

In said drawings, A represents the frame of the disk mill, carrying thespindle B of one of the millstones contained in the casing A; This millis of ordinary construction, and does not need to be specificallydescribed. To provide this mill with means to crush and grind cobs andcorn fine enough tobe admitted between the stones of a disk mill,therevis attached to one side of the fralneA a conical cob and corncrusher, C, the interior grindingsurfaces of which are of ordinaryconstruction. The conical body is provided with a hopper, C', and a sidedelivery'opening, c, through which the ground feed escapes, and can bereceived in a box or basket to be emptied into the hopper A2 of the diskmill. To transmit a positive motion of proper speed to the spindle d,Fig. 2, of the cone-and-shell 1nill 'from the spindle B ofthe disk mill,there is secured upon the latter, aboveits driving-pulley B, aspur-wheelFig. 2 is a top view of thegear-cow.

gear-wheel D. To permit the cone-and-shell mill to he easily put out ofgear with the disk mill,it is suspended on two trunnions, Ciprojcctingfrom the sides of the body C. The trunnions rest in slots in twobrackets, A3, fastened to one side ofthe frame A, (but only one trunnionand one bracket are shown in the drawings.) These slots have their outerends open to permit the cone-and-shell mill to be easilydisconnected andremoved from the disk mill for transportation or for other purposes.Pins @inserted verticall yin the brackets across the slots, retain thetrunnions in their bearA ings. To retain the lower end ot'thecone-andshell mill securely connected with the frame A, thereisattached to the under side of one of the middle cross beams of saidframe a rectangular casting, E, having its under side grooved, or twoot' its sides provided with pendent danges e, to receive and guidebetween them a rectangular rib,f, projecting from the -upper surface ofthe plate F, forming thelower portion of the cone-and-shellmill. Thisplate F has around its periphery a pendent flange, Fthatsurrounds thegear-wheel D of the cone` and-shell mill, and prevents persons fromaccidentally coming in contact with its eogs. The plate F carries apendent spindle, e2, that serves as ajournal for the intermediate gear,D2. The casting E has projecting from its upper surface a pin, c3, forengagement with the hooked end of a rod, g, that connects it with theplate F. To facilitate the rapid connection or the disconnection of theplate F from the casting E, or the disconnection of thegear D2 from thepinion B2, there is mounted upon a bolt, h, projecting vertically fromthe surface of the rectangular rib f ofthe plate F, an eccentric, H,provided with a handle, 7L', by which it can be revolved, and the loopedend of the rod g is made to encircle the eccentric, so that by turningthe latterin the position `shown in the drawings the lower end of thecone-andshell mill or its bottom plate, F, is pulled-toward the diskmill, and the cogwheel D2 is brought into gear with the pinion B, andboth mills are thus connected for operation, while, as will be readilyunderstood, a reverse moveroo ment of the handle `Will disconnect saidgearing.

To prevent any accidental moving of the rod g laterally,a pin, g2, maybe inserted vertically in the plate E alongside of said rod.

Having now fully described my invention, I claim- 1. The combinationofahorizontal-disk mill, its frame, slotted brackets secured to the sideof said frame, and a cone-and-shell mill provided with trunnions, andthereby suspended from said brackets, with means to connect them attheir lower ends, substantially as described.

2. The combination ofahorizontal-disk mill, the frame supporting saidmill, brackets secured to the side of said frame, and a cone-and shellmill having trun'nions resting upon said. brackets, With spur-wheelsconnecting the disk mill with the conc-and-shcll mill, substantially asdescribed. Y

3. The combination ofahorizontal-disk mill,

the frame supporting the same, a cone-and shell mill, means forconnecting them at their upper ends, Iand spur-Wheels connecting them attheir lower ends, with agrooved or flanged plate secured to the frame ofthe disk mill, and a ribbed plate secured to the cone-and-shell mill,substantially as and for the purpose described.

4. Thecombinationofahorizontal-disk mill, a coneand-shell mill connectedat their lower ends,and interlocked flanged and ribbed plates, with apin projecting from the flanged plate, an eccentric mounted on theribbed plate, and a rod uniting said pin with the eccentric,substantially as and for the purpose described.

In testimony Whereof I afx my signature in presence of two Witnesses.

ABRAM XV. STEVENS. `Witnessesz WALTER L. FAY, CHARLES B. MICK.

